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Built 2026-10-19 (19 October 2026)

Casselton Agronomy Farm Threshold Days by Year (USC00321408)

19 fixed thresholds counted per year at Casselton Agronomy Farm (USC00321408): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Casselton Agronomy Farm Thresholds

  • Casselton Agronomy Farm: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 1988 with 69.
  • Casselton Agronomy Farm: days with a maximum temperature at or above 90 F (32.2 C) in 40 years, most in 1988 with 52.
  • Casselton Agronomy Farm: days with a maximum temperature at or below 0 C (32 F) in 40 years, most in 2019 with 118.
  • Casselton Agronomy Farm: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1998 with 31.
  • 19 fixed thresholds have at least one qualifying day at Casselton Agronomy Farm.
40 years with a qualifying day
Days at or above 30 C (86 F) per year at Casselton Agronomy Farm Days per year at Casselton Agronomy Farm with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 69 in 1988. 0204060801985: 231986: 221987: 461988: 691989: 491990: 421991: 351992: 191993: 101994: 201995: 371996: 261997: 261998: 391999: 222000: 252001: 362002: 412003: 392004: 162006: 332008: 112009: 112010: 222011: 112012: 532013: 252014: 142015: 212016: 182017: 192018: 272019: 142020: 232021: 472022: 222023: 352024: 182025: 202026: 351985198919931997200120062011201520192023
Days per year at Casselton Agronomy Farm with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 69 in 1988.
Days at or above 30 C (86 F) per year at Casselton Agronomy Farm
YearDaysDecade average
19852341.8
19862241.8
19874641.8
19886941.8
19894941.8
19904227.6
19913527.6
19921927.6
19931027.6
19942027.6
19953727.6
19962627.6
19972627.6
19983927.6
19992227.6
20002526.5
20013626.5
20024126.5
20033926.5
20041626.5
20063326.5
20081126.5
20091126.5
20102222.4
20111122.4
20125322.4
20132522.4
20141422.4
20152122.4
20161822.4
20171922.4
20182722.4
20191422.4
20202328.6
20214728.6
20222228.6
20233528.6
20241828.6
20252028.6
20263528.6
First to last qualifying date each year at Casselton Agronomy Farm For each year, a bar from the first to the last day at Casselton Agronomy Farm meeting 30 C (86 F). 1985: 19 April 1985 to 9 August 19851986: 5 May 1986 to 20 August 19861987: 19 April 1987 to 29 August 19871988: 19 May 1988 to 2 September 19881989: 16 May 1989 to 14 October 19891990: 23 April 1990 to 27 September 19901991: 13 May 1991 to 3 September 19911992: 1 May 1992 to 2 October 19921993: 14 May 1993 to 7 October 19931994: 24 April 1994 to 11 September 19941995: 5 June 1995 to 29 September 19951996: 9 June 1996 to 6 September 19961997: 2 June 1997 to 3 October 19971998: 25 June 1998 to 18 September 19981999: 29 May 1999 to 28 August 19992000: 6 May 2000 to 19 September 20002001: 15 May 2001 to 7 September 20012002: 17 April 2002 to 18 September 20022003: 14 April 2003 to 9 October 20032004: 29 April 2004 to 20 September 20042006: 24 May 2006 to 8 October 20062008: 25 June 2008 to 31 August 20082009: 1 June 2009 to 15 August 20092010: 29 May 2010 to 9 October 20102011: 7 June 2011 to 6 October 20112012: 13 May 2012 to 16 September 20122013: 14 May 2013 to 7 September 20132014: 25 May 2014 to 28 September 20142015: 3 May 2015 to 12 October 20152016: 6 May 2016 to 29 August 20162017: 3 June 2017 to 13 September 20172018: 17 May 2018 to 17 September 20182019: 31 May 2019 to 21 September 20192020: 2 June 2020 to 24 August 20202021: 2 May 2021 to 30 September 20212022: 13 June 2022 to 8 September 20222023: 23 May 2023 to 3 October 20232024: 18 May 2024 to 30 September 20242025: 12 May 2025 to 4 October 20252026: 26 May 2026 to 21 August 202619851990199520002006201220172022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Casselton Agronomy Farm meeting 30 C (86 F).
First to last qualifying date each year at Casselton Agronomy Farm
YearFirst dateLast date
19851985-04-191985-08-09
19861986-05-051986-08-20
19871987-04-191987-08-29
19881988-05-191988-09-02
19891989-05-161989-10-14
19901990-04-231990-09-27
19911991-05-131991-09-03
19921992-05-011992-10-02
19931993-05-141993-10-07
19941994-04-241994-09-11
19951995-06-051995-09-29
19961996-06-091996-09-06
19971997-06-021997-10-03
19981998-06-251998-09-18
19991999-05-291999-08-28
20002000-05-062000-09-19
20012001-05-152001-09-07
20022002-04-172002-09-18
20032003-04-142003-10-09
20042004-04-292004-09-20
20062006-05-242006-10-08
20082008-06-252008-08-31
20092009-06-012009-08-15
20102010-05-292010-10-09
20112011-06-072011-10-06
20122012-05-132012-09-16
20132013-05-142013-09-07
20142014-05-252014-09-28
20152015-05-032015-10-12
20162016-05-062016-08-29
20172017-06-032017-09-13
20182018-05-172018-09-17
20192019-05-312019-09-21
20202020-06-022020-08-24
20212021-05-022021-09-30
20222022-06-132022-09-08
20232023-05-232023-10-03
20242024-05-182024-09-30
20252025-05-122025-10-04
20262026-05-262026-08-21

Every Fixed Threshold

Fixed thresholds at Casselton Agronomy Farm
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4069198835
35 C (95 F): Days272019882
40 C (104 F): Days1419884
90 F (32.2 C): Days4052198819
100 F (37.8 C): Days6519881
0 C (32 F): Ice days (max40118201952
0 C (32 F): Frost days (min342042002119
-10 C (14 F): Days with min34119201352
-20 C (-4 F): Days with min3459198919
-30 C (-22 F): Days with min261819854
20 C (68 F): Tropical nights (min28719899
25 C (77 F): Days with min2219881
10 mm (0.39 in): Days with 10 mm or more rain3831199810
25 mm (0.98 in): Days with 25 mm or more rain38919943
50 mm (1.97 in): Days with 50 mm or more rain19319921
100 mm (3.94 in): Days with 100 mm or more rain3119931
10 cm (3.9 in): Days with 10 cm or more snowfall24919971
25 cm (9.8 in): Days with 25 cm or more snowfall7219961
50 cm (19.7 in): Days with 50 cm or more snowfall1119961

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1985.

Download the Data

  • Data for Casselton Agronomy Farm threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).